CVSS 3.1
3.9 lowCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:NCVE-2026-59846
Low (3.9). EPSS 0.1% chance of exploitation in the next 30 days.
A flaw was found in libssh. A malicious username expanded through %r in ProxyCommand handling can inject shell metacharacters, exposing environment variables and causing unintended shell behavior.
Severity
- EPSS
- 0.1% chance of exploitation in the next 30 days; higher than 1% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-78, CWE-77
- Published
- Modified
- Record from
- the NVD, synced
Affected
- libssh:libssh
- redhat:enterprise_linux
- redhat:hardened_images